/**
 * 动作播放的顺序
 * @author zzhanglin
 * @returns {AnimationPlayMode}
 */
AnimationPlayMode = function()
{
	this.className = "AnimationPlayMode";
};
AnimationPlayMode.POSITIVE = 1 ;//默认为正序
AnimationPlayMode.ANTITONE = 2 ; //反序
AnimationPlayMode.CIRCULATION = 3 ;//往复